<script setup>
import Footer from "@/components/footer.vue";
import { useRouter } from "vue-router";
import { ref } from 'vue';
import axios from "axios";
import qs from "qs";
const router = useRouter();

const user = ref({
  userId:'',
  password:''
})

const login = async () =>{
  if (user.value.userId === '') {
    alert('手机号码不能为空！');
    return;
  }
  if (user.value.password === '') {
    alert('密码不能为空！');
    return;
  }
  try{
    const response = await axios.post(
        'http://localhost/user/UserController/getUserByIdByPass',
        qs.stringify({
          userId: user.value.userId,
          password: user.value.password,
        }),
        {
          headers: {
            'Content-Type': 'application/x-www-form-urlencoded' // 修改为表单数据格式
          },
        }
    );
    const userData = response.data; // 获取后端返回的用户数据
    // 如果后端返回的数据为空，提示用户名或密码错误
    if (userData === null) {
      alert('用户名或密码不正确！');
    } else {
      // 清除用户头像，防止sessionStorage溢出
      userData.userImg = '';
      // 将用户数据存储到sessionStorage中
      sessionStorage.setItem('user', JSON.stringify(userData));
      // 登录成功后跳转到首页
      router.push('/index');
    }
  }catch (error) {
    console.error(error);
    alert('登录失败，请重试。');
  }
}

const goToRegister = () => router.push("/register");

</script>

<template>
  <div class="wrapper">
    <!--header-->
    <header>
      <p>用户登录</p>
    </header>
    <!--表单部分-->
    <ul class="form">
      <li>
        <div class="title">
          手机号码：
        </div>
        <div class="content">
          <input type="text" v-model="user.userId" placeholder="手机号码">
        </div>
      </li>
      <li>
        <div class="title">
          密码：
        </div>
        <div class="content">
          <input type="text" v-model="user.password" placeholder="密码">
        </div>
      </li>
    </ul>

    <div class="button_login">
      <button @click="login">登录</button>
    </div>
    <div class="button_register">
      <button @click="goToRegister">去注册</button>
    </div>
    <Footer></Footer>
  </div>
</template>

<style scoped lang="less">
/**********总容器**********/
.wrapper{
  width: 100%;
  height: 100%;
}
/**********header**********/
.wrapper header{
  width: 100%;
  height: 12vw;
  background-color: #0097ff;
  color: #fff;
  font-size: 4.8vw;

  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;

  display: flex;
  justify-content: center;
  align-items: center;
}
/*********表单部分**********/
.wrapper .form{
  width: 100%;
  margin-top: 12vw;
}
.wrapper .form li{
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
  display: flex;
  align-items: center;
}
.wrapper .form li .title{
  flex: 0 0 18vw;
  /*不缩小，不放大，固定18vw*/
  font-size: 3vw;
  font-weight: 700;
  color: #666;
}
.wrapper .form li .content{
  flex: 1;
  /*内容占用剩余的空间*/
}
.wrapper .form li .content input{
  border: none;
  outline: none;
  width: 100%;
  height: 4vw;
  font-size: 3vw;
}
.wrapper .button_login{
  width: 100%;
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
}
.wrapper .button_login button{
  width: 100%;
  height: 10vw;
  font-size: 3.8vw;
  font-weight: 700;
  color: #fff;
  background-color: #38ca73;
  border-radius: 4px;
  cursor: pointer;

  border: none;
  outline: none;
}
.wrapper .button_register{
  width: 100%;
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
}
.wrapper .button_register button{
  width: 100%;
  height: 10vw;
  font-size: 3.8vw;
  font-weight: 700;
  color: #666;
  background-color: #eee;
  border-radius: 4px;
  cursor: pointer;

  outline: none;
  border: solid 1px #ddd;
}
</style>